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Finding the Fourth Proportional to 1,865,506.60, 2,797,568.70 and 603,375.40

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Solution

The fourth proportional to 1,865,506.60, 2,797,568.70 and 603,375.40 is: 904,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,506.60 : 2,797,568.70 = 603,375.40 : x
  2. Step 2: Convert to fraction form
    1,865,506.60/2,797,568.70 = 603,375.40/x
  3. Step 3: Cross multiply
    1,865,506.60x = 2,797,568.70 × 603,375.40
  4. Step 4: Simplify right side
    1,865,506.60x = 1,687,984,133,389.98
  5. Step 5: Solve for x
    x = 1,687,984,133,389.98/1,865,506.60
  6. Step 6: Final answer
    x = 904,839.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.